RelBib: Results for "(((11850522x OR 11860922x) OR 11850021x) OR 11850553x)" https://relbib.de/search/results?filter[]=~author_facet:"Blankenburg, Walter 1903-1986"&lookfor=(((11850522x OR 11860922x) OR 11850021x) OR 11850553x)&type=AllFields